feat(cast): add --file option for decode-calldata (#11201)

feat: add --file option for decode-calldata

Author: minhd-vu

crates/cast/src/args.rs

@@ -194,8 +194,15 @@ pub async fn run_command(args: CastArgs) -> Result<()> {
                 sh_println!("{}", SimpleCast::abi_encode_packed(&sig, &args)?)?
             }
         }
-        CastSubcommand::DecodeCalldata { sig, calldata } => {
-            let tokens = SimpleCast::calldata_decode(&sig, &calldata, true)?;
+        CastSubcommand::DecodeCalldata { sig, calldata, file } => {
+            let raw_hex = if let Some(file_path) = file {
+                let contents = fs::read_to_string(&file_path)?;
+                contents.trim().to_string()
+            } else {
+                calldata.unwrap()
+            };
+
+            let tokens = SimpleCast::calldata_decode(&sig, &raw_hex, true)?;
             print_tokens(&tokens);
         }
         CastSubcommand::CalldataEncode { sig, args, file } => {

crates/cast/src/opts.rs

@@ -574,7 +574,12 @@ pub enum CastSubcommand {
         sig: String,
 
         /// The ABI-encoded calldata.
-        calldata: String,
+        #[arg(required_unless_present = "file", index = 2)]
+        calldata: Option<String>,
+
+        /// Load ABI-encoded calldata from a file instead.
+        #[arg(long = "file", short = 'f', conflicts_with = "calldata")]
+        file: Option<PathBuf>,
     },
 
     /// Decode ABI-encoded string.